Question

Vă rog frumos urgent de tot vă mulțumesc

Answer 1

a) 2 * (3a-4b)

b) 9  *(3+4) -7 * 2 = 9 * 7-7*2 = 7 * (9-2)  =7 * 7 = 49

c) 5 * (7+3) =5 * 10=50

d) 8 *(11-1) = 8 * 10 = 80

e) 4 * (9+6) =4 * 15  =60

f) 876 * (44+56) =876 * 100 = 87 600

g) 7x +7y  -7z  =7 * (x+y-z)

h) 2 * (5+a)

T3 = 12 311 - 2 503 = 9 808

b) 4 589 + 706 = 5 295

c) 123 * 15 = 1 845